A new analysis of the butterflies’ migration routes shows the need for collaborative conservation.
Mexico
Posted inSeptember 2024: When Migrants Go Missing
The fatal flaw in the Border Patrol’s rescue program
The Missing Migrant Program is meant to prevent deaths. Instead, it may be causing them.
Posted inSeptember 2024: When Migrants Go Missing
La falla fatal en las operaciones de rescate de la Patrulla Fronteriza
La agencia tiene la tarea de salvar a migrantes en peligro pero puede estar empeorando las cosas.
Posted inApril 2024: Epic Journeys
A border need not be a wall
An immigration journalist on confronting laws and encountering humanity.
Posted inArticles
A cartography of loss in the Borderlands
Mexicali’s Colorado River Family Album documents what is no more.
Posted inJanuary 1, 2024: January 2024
Defending the Tijuana Estuary
Stewardship saved a Southern California estuary from development. Climate change is the next challenge.
Posted inArticles
Report finds Arizona 911 dispatchers fail to help lost migrants
Pima County emergency services engage in ‘unconstitutional and abusive practices’ on the border, a humanitarian group says.
Posted inNovember 1, 2023: November 1, 2023
As DACA falls again, what does it mean to be American?
Tony Valdovinos was brought to the U.S. at the age of 2. The challenges of not having citizenship haven’t stopped his success.
Posted inJuly 1, 2023: Waiting for Water
How northern Mexico became a climate migration destination
U.S. and Central American immigrants are converging in Baja California after disasters.
Posted inArticles, En español
Cómo usar datos de colaboración colectiva para repensar los desastres naturales
El Monitor Ciudadano de Inundaciones de Tijuana puede servir como modelo para la colección de datos en el oeste estadounidense impactado por las inundaciones.
Posted inArticles
As extreme weather outpaces response, could crowdsourced data help?
Tijuana’s Citizens’ Flood Monitor offers a model for data collection in the flood-affected West.
Posted inArticles
Researchers solve one of the Borderlands’ biggest water puzzles
Officially, the U.S. and Mexico share 11 groundwater basins. A new map bumps that figure up to a stunning 72.
Posted inArticles
A year in the Borderlands: The biggest stories from 2022
With a little help from our friends, HCN untangles the complexities of the U.S.-Mexico border.
Posted inArticles
The environmental consequences of Gov. Ducey’s rogue ‘border wall’
Slicing across Arizona’s Coronado National Forest, the barrier will stop more migrating mammals than humans.
Posted inArticles
The history behind the New Mexico-Texas Rio Grande settlement
It’s taken 10 years for the states to reach an agreement, but it may not be the end of the water conflict.
Posted inNovember 1, 2022: The Futures of Conservation
Post-Trump, wildlife passages along the border wall keep narrowing
As construction continues, U.S. and Mexican conservationists work together to preserve remaining corridors.
Posted inArticles
New study finds DDT in California condors
Chemicals dumped in the 1970s are still seeping into the food chain. But the Yurok Tribe is confident their birds will be OK.
Posted inArticles
At the Colorado River conference, ‘It’s really no longer a drill’
Water managers announce new measures to deal with dwindling water supply.
Posted inArticles
EPA announces $630 million plan to stem cross-border sewage flows
Once approved, these infrastructure projects will treat contaminated water before it’s released into the ocean.
Posted inArticles
Visualizing the aquifers that straddle the U.S.-Mexico border
For the first time, scientists have mapped out the groundwater the two countries share.